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Home >> Jaguar >> 2003 >> XJ8 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Trouble Code Identification >> DTC P1658: Throttle Motor Power Relay On Failure >> Monitoring Conditions
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Monitoring Conditions

Ignition on. Ignition off for more than 3 seconds. Ignition on. Ignition off again for more than 3 seconds. Ignition on.

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